Beginning in the late 1950s he gained acclaim for his scores and songs for films, including What's New Pussycat (1965), Alfie (1966), Butch Cassidy and the Sundance Kid (1969), and Arthur (1981). He won an Academy Award for Best Score and Best Song for Butch Cassidy, which featured the catchy “Raindrops Keep Falling on My Head”. He was married to actress Angie Dickinson (1966–80).